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A silver and copper voltameter are connected in series with a 12 v battery of negligible internal resistance . 0.806 g of silver is deposited in half an hour in silver voltameter .
calculate 1 .- magnitude of current flowing in the circuit
2. mass of copper deposited in copper voltameter during the same period
In a pool game, the cue ball, which has an initial speed of 3.0 m/s, make an elastic collision with the eight ball, which is initially at rest. Find the direction of motion of the cue ball after the collision
The wire is located in a uniform magnetic field B directed perpendicular to the wire. Compute the magnitude of B when the force on the wire due to B is 0.200 N.
A flint glass plate (n = 1.66) rests on the bottom of an aquarium tank. The plate is 11.00 cm thick (vertical dimension) and covered with water (n = 1.33) to a depth of 12.2 cm. Calculate the apparent thickness of the plate as viewed from above the w..
question1as standing at the edge of the roof of a building you throw a stone upward with an initial speed of 7.87 ms.
2-kg of nitrogen gas is contained in a 2.1-m3 volume at 3.9 atm. pressure. what is the temperature of the gas? your
A transformer operating from 79 V (rms supplies a 18.3 V lighting system for a garden. Find the equivalent resistance of the system
A 2 kg block is dropped from 45 cm above a spring. If the spring compresses 5 cm when struck by the block, What is its spring constant
A small particle with a mass of 8.50 10-20 kilogram is oscillating with simple harmonic motion with a period of 3.00 10-5 second and a maximum speed of 7.50 103 m/s. Estimate the maximum displacement of the particle
A hydraulic chamber with a spring (spring constant = 1600 N/m) attached to the input piston and a rock of mass 40kg resting on the output plunger.
In a certain experiment, a radio transmitter emits sinusoidal electromagnetic waves of frequency 105.0 in opposite directions inside a narrow cavity with reflectors at both ends, How far apart are the nodal planes of the magnetic field
A man stands at midpoint between two speakers, that are broadcasting an amplified static hiss uniformly in all directions. The speakers are 30.0m apart and the total power of the sound coming from each speaker is .500W.
An undersea research chamber is spherical with an external diameter of 5.20 m. The mass of the chamber, when occupied, is 66400 kg. find the buoyant force on the chamber
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